<!DOCTYPE html>
<meta charset="utf-8">
<title>CanvasRenderingContext 2D with alpha=flase, clearRect</title>
<link rel="author" title="Justin Novosad" href="mailto:junov@chromium.org">
<link rel="help" href="https://html.spec.whatwg.org/#concept-canvas-alpha">
<link rel="match" href="../../../../../../../expected/wpt-import/html/canvas/element/manual/context-attributes/clearRect_alpha_false-ref.html">
<meta name="assert" content="Canvas pixels remain opaque black when drawing semi-transparent rectangle.">
<p>Test passes if a 100x100 black square is displayed below.</p>
<canvas id="c" width=100 height=100></canvas>
<script>
const ctx = document.getElementById("c").getContext("2d", {alpha: false});
ctx.fillColor = 'red';
ctx.fillRect(25, 25, 50, 25);
ctx.clearRect(24, 24, 52, 52);
</script>
